Detailed Description

Business Impact:

A remote code execution vulnerability exists in the way that Microsoft Office parses PNG files in specially crafted Office files. Successful exploitation of this vulnerability could take complete control of an affected system in the context of the current user. It has been used in limited targeted attacks in the wild.

*CVSS:

Base Score:

9.3

Access Vector:

Network

Access Complexity:

Medium

Authentication:

None

Confidentiality Impact:

Complete

Integrity Impact:

Complete

Availability Impact:

Complete

Adjusted Temporal Score:

6.9

Exploitability:

Unproven

Remediation Level:

Official-Fix

Report Confidence:

Confirmed

Affected Products:

For a full list of affected versions, see references below.

Technical Description

There is a vulnerability in Microsoft Office PNG parsing code, that leads to a classical buffer overflow and remote code execution. Affected versions are MS Office 2003 and Office for Mac 2011.

Remediation:

A patch is available, see references below for details.

References

Revision History

1.0

Initial publication.

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